Lad bitten on willy by deadly spider while sitting on the toilet

NIGHTMARE: The hapless man recieved an horrific and damaging bite to his crown jewells

The 21-year-old had been using a portaloo outside a home when he felt a sudden sharp pain engulf his manhood which began swelling.

Paramedics were called and pals tried to help, but the beleaguered bloke preferred to make his own way to hospital where medics treated his willy with anti-venom.

Australia's leading expert on redbacks, Associate Professor Julian White from Adelaide's Women's and Children's Hospital, said that it was not uncommon to find the spiders lurking around a household as they prey on smaller insects.

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SCARY: Redback spiders love to attack men's willies

“You'd experience pain — pain as the venom stimulates the nerves around the bite — along with swelling”

Associate Professor Julian White

He told Daily Mail Online: "A bite from a redback is certainly going to make the patient very miserable.

"But you'd experience pain — pain as the venom stimulates the nerves around the bite — along with swelling and increased blood pressure."